40163630381817 has 16 divisors (see below), whose sum is σ = 53561806054848. Its totient is φ = 26770604609600.

The previous prime is 40163630381783. The next prime is 40163630381827. The reversal of 40163630381817 is 71818303636104.

It is a cyclic number.

It is not a de Polignac number, because 40163630381817 - 2³¹ = 40161482898169 is a prime.

It is a super-2 number, since 2×40163630381817² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163630381817.

It is not an unprimeable number, because it can be changed into a prime (40163630381827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457917067 + ... + 458004767.

It is an arithmetic number, because the mean of its divisors is an integer number (3347612878428).

Almost surely, 2^{40163630381817} is an apocalyptic number.

It is an amenable number.

40163630381817 is a deficient number, since it is larger than the sum of its proper divisors (13398175673031).

40163630381817 is a wasteful number, since it uses less digits than its factorization.

40163630381817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115320.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 40163630381817 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty million, three hundred eighty-one thousand, eight hundred seventeen".